What is the test statistic

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If n=16, sample mean = 75, sample standard deviation s = 8. The hypotheses are Ho: μ = 80 and Ha: μ <80. What is the test statistic? Please show your work.

Reference no: EM131122207

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What is the test statistic : If n=16, sample mean = 75, sample standard deviation s = 8. The hypotheses are Ho: μ = 80 and Ha: μ
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